Joseph Francis Keaton vs actor

Joseph Francis Keaton and actor both are nouns.

Word	Noun	Adjective	Verb	Adverb
Joseph Francis Keaton	Yes	No	No	No
actor	Yes	No	No	No

Joseph Francis Keaton (noun)	actor (noun)
United States comedian and actor in silent films noted for his acrobatic skills and deadpan face (1895-1966)	a theatrical performer
	a person who acts and gets things done